What is it about?

A domino Michael-aldol double elimination route to indolizines having two different acyl groups at the C5 and C7 positions is described where chromone is employed as a two carbon unit for the synthesis of a pyridine moiety for the first time. Various analogues were readily accessed in good yields under metal-free and eco-friendly conditions. Further manipulation of the resulting products allowed entry to novel indolizine-heterocycle adducts, which are difficult to access by other methods.

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Why is it important?

A domino Michael-aldol double elimination route to indolizines having two different acyl groups at the C5 and C7 positions is described where chromone is employed as a two carbon unit for the synthesis of a pyridine moiety for the first time.

Perspectives

Very mild, green, atom economy approach to construct indolizine.

PhD Scholar Dirgha Raj Joshi
Yonsei University

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This page is a summary of: Michael-Aldol Double Elimination Cascade to Make Pyridines: Use of Chromone for the Synthesis of Indolizines, The Journal of Organic Chemistry, July 2021, American Chemical Society (ACS),
DOI: 10.1021/acs.joc.1c00981.
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